PT-2023-12227 · Plone Cms · Plone Cms

Published 2023-02-17 · Updated 2023-03-02 · CVE-2021-33926

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Plone CMS versions 4.3.3 through 4.3.20, 5.0 through 5.0.10, 5.1 through 5.1.7, 5.2.0 through 5.2.4

Description An issue in Plone CMS allows an attacker to access sensitive information via the RSS feed protlet.

Recommendations For Plone CMS versions 4.3.3 through 4.3.20, consider disabling the RSS feed protlet until a patch is available. For Plone CMS versions 5.0 through 5.0.10, consider disabling the RSS feed protlet until a patch is available. For Plone CMS versions 5.1 through 5.1.7, consider disabling the RSS feed protlet until a patch is available. For Plone CMS versions 5.2.0 through 5.2.4, consider disabling the RSS feed protlet until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

CVE-2021-33926

GHSA-47P5-P3JW-W78W

PYSEC-2023-289

Affected Products

Plone Cms

References · 13

• 🔥 https://github.com/s-kustm/Subodh/blob/master/Plone%205.2.4%20Vulnerable%20to%20bilend%20SSRF.pdf · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-33926 · Security Note
• https://osv.dev/vulnerability/CVE-2021-33926 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-47p5-p3jw-w78w · Vendor Advisory
• https://plone.org/security/hotfix/20210518/blind-ssrf-via-feedparser-accessing-an-internal-url · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2023-289 · Vendor Advisory
• https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2023-289.yaml · Note
• https://github.com/plone/Plone · Note
• https://plone.org/security/hotfix/20210518 · Note
• https://t.me/cvenotify/44594 · Telegram Post
• https://t.me/cvenotify/44595 · Telegram Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33926 · Note
• https://t.me/cibsecurity/58455 · Telegram Post